#include<stdio.h>

struct student
{
    char name[20];
    int age;
    char ID[15];
};

int main()
{
  struct student  s1 = {"haiyang",24,"2022142839"};
  printf("姓名：%s\n",s1.name);
  printf("年龄：%d\n",s1.age);
  printf("学号：%s\n",s1.ID);
}
